/ Dictionary / Index M marlin: Meaning and Definition of Find definitions for: mar•lin Pronunciation: (mär'lin), [key] — pl. -lin, -lins. any large, saltwater game fish of the genera Makaira and Tetrapterus, having the upper jaw elongated into a spearlike structure. mar•lin Pronunciation: (mär'lin), [key] — n. marline. Mar•lin Pronunciation: (mär'lin), [key] — n. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: marlin (Thesaurus) Marlene marline Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language